ENMET MX-32 User Manual
ENMET
ENMET Corporation
ENMETENMET
PO Box 979
Ann Arbor, MI 48106-0979
MX32 E
NGUARD
Operation and Maintenance
Manual
Manual Part Number
80003-040
MCN-370, 05/30/07
Table of Contents
1.0 INTRODUCTION........................................................................................................................................................1
1.1 U
NPACK
......................................................................................................................................................................1
1.2 C
HECK ORDER
1.3 S
ERIAL NUMBERS
2.0 FEATURES..................................................................................................................................................................2
.............................................................................................................................................................1
........................................................................................................................................................1
2.1 MX32 C
2.2 F
ONTROL ELEMENTS
RONT PANEL FEATURES
.........................................................................................................................................2
..............................................................................................................................................3
3.0 INSTALLATION .........................................................................................................................................................5
3.1 M
3.2 W
OUNTING
IRING THE
MX32 C
MX32 C
ONTROL
ONTROL
.......................................................................................................................................5
......................................................................................................................................6
3.2.1 Relay Contacts.....................................................................................................................................................6
3.2.2 Wiring Requirements............................................................................................................................................6
4-20 Sensor/Transmitter................................................................................................................................................8
4.0 OPERATION................................................................................................................................................................9
4.1 F
RONT PANEL PUSHBUTTON SWITCHES
4.2 D
ISPLAY AT START-UP
4.3 D
ISPLAY CYCLE OF CHANNEL MEASUREMENTS
...............................................................................................................................................10
........................................................................................................................9
..........................................................................................................11
4.3.1 Display of No Measurements Mode ....................................................................................................................11
4.3.2 Display of a Single Channel Mode......................................................................................................................11
5.0 MAINTENANCE .......................................................................................................................................................12
5.1 E
NTER THE MAINTENANCE MENUS
..............................................................................................................................12
5.1.1 Entering the Maintenance Menus........................................................................................................................12
5.1.2 Exit the Maintenance Menus...............................................................................................................................12
5.1.3 MX32 C
5.2 P
ROGRAMMING MENU
5.3 I
NITIALIZATION
5.4 C
ALIBRATION MENU
ONTROL
(INI)
Sequence of Maintenance Menus.............................................................................................13
................................................................................................................................................14
MENU
.......................................................................................................................................17
MX32 C
ONTROL
.......................................................................................................................18
5.4.1 Calibration Following an Initialization Non Oxygen Transmitter........................................................................18
5.4.2 Calibration For regular preventive maintenance ................................................................................................19
5.5 C
HANGING ACCESS CODE
5.6 B
UZZER MENU
...........................................................................................................................................................20
..........................................................................................................................................20
6.0 WARRANTY..............................................................................................................................................................21
List of Illustrations
F
IGURE
F
IGURE
F
IGURE
F
IGURE
T
ABLE 1A
F
IGURE
T
ABLE
T
ABLE
T
ABLE
T
ABLE
1: MX32 F
2: MX32 F
3: MX32 D
4: M
: F
5: MX32 C
1:
WIRING TERMINAL
2: W
3: W
4: MX32 C
EATURES
RONT PANEL
ISPLAY
OUNTING
AULT AND ALARM RELAY SETTING
ONTROL MAIN POWER AND CHANNEL BOARD
.................................................................................................................................. 2
............................................................................................................................. 3
..................................................................................................................................... 4
MX32 .................................................................................................................................. 5
........................................................................................................ 6
.................................................................................................................................... 8
IRING FOR A TWO WIRE
IRING FOR A THREE WIRE
ONTROL SEQUENCE OF MAINTENANCE MENUS
S/T.................................................................................................................. 8
S/T............................................................................................................... 8
.............................................................................. 7
.............................................................................13
MX32 E
1.0 Introduction
1.0 Introduction
1.0 Introduction1.0 Introduction
N
NGUARD
The MX32 C
sensor/transmitter.
The measurement output form the sensor is displayed on the MX32 C
thresholds. If the thresholds are exceeded, the control unit activates audio alarms, visual alarms and relays that may be
used to control external devices.
OTE
: All specifications stated in this manual may change without notice.
ONTROL
unit can monitor one or two independent channels. Each channel is connected to one
ONTROL
unit and compared with preset alarm
ENMET Corporation
1.1 Unpack
Unpack the MX32 C
customer service personnel and the commercial carrier involved immediately.
ONTROL
and examine it for shipping damage. If such damage is observed, notify both ENMET
Regarding Damaged Shipments
N
OTE
: It is your responsibility to follow these instructions. If they are not followed, the carrier will
not honor any claims for damage.
This shipment was carefully inspected, verified and properly packaged at our company and delivered to the
carrier in good condition.
When it was picked up by the carrier at ENMET, it legally became your company’s property.
If your shipment arrives damaged:
• Keep the items, packing material, and carton “As Is.” Within 5 days of receipt, notify the carrier’s local
office and request immediate inspection of the carton and the contents.
• After the inspection and after you have received written acknowledgment of the damage from the carrier,
contact ENMET Customer Service for return authorization and further instructions. Have your Purchase
Order and Sales Order numbers available.
ENMET either repairs or replaces damaged equipment and invoices the carrier to the extent of the liability
coverage, usually $100.00. Repair or replacement charges above that value are your company’s responsibility.
The shipping company may offer optional insurance coverage. ENMET only insures shipments with the
shipping company when asked to do so in writing by our customer. If you need your shipments insured, please
forward a written request to ENMET Customer Service.
Regarding Shortages
If there are any shortages or questions regarding this shipment, please notify ENMET Customer Service within 5 days
of receipt at the following address:
ENMET Corporation
680 Fairfield Court
Ann Arbor, MI 48108
734-761-1270 734-761-3220 Fax
1.2 Check Order
Check, the contents of the shipment against the purchase order. Verify that the MX32
ordered. If there are accessories on the order, ascertain that they are present. Check the contents of calibration kits.
Notify ENMET customer service personnel of any discrepancy immediately.
CONTROL
is received as
1.3 Serial Numbers
Each MX32 C
database.
ONTROL
is serialized. These numbers are on tags on the equipment and are on record in an ENMET
1
ENMET Corporation MX32 E
Access Cover
Smoke Grey
2.0 Features
2.0 Features
2.0 Features2.0 Features
2.1 MX32 Control elements
The MX32 C
Enclosure rated IP 65, NEMA-12, 12K.
Hinged smoke gray viewing cover.
Main power and channel board, that has terminals for power, sensors and relays. Located under access cover.
Display board, attached to front panel.
Front panel with display, alarm LEDs, buzzer (horn) and pushbutton switches.
Enclosure
ONTROL
unit is made up of the following elements:
Display Board
Front Panel
NGUARD
Power, Sensor
and Relay
Terminal
Viewing Cover
Hinged on the
left side
Figure 1: MX32 Features
2
MX32 E
Display LCD
Strain Relief
Fault / Calibration /
Channel 2
Alarm 2 LED for
Alarm 1 LED for
each channel
Display / Operation
Front Panel
NGUARD
2.2 Front panel features
See Figure 2 for location of features.
LED Description
ENMET Corporation
Display/Operation
[ Lighting bolt on front panel ]
Green LED
When the green LED is blinking the channel is in program mode.
When the green LED is on steady the channel is in operation.
AL1 [ Bell on front panel ] Alarm 1 red LED when in alarm
AL2 [ Bell on front panel ] Alarm 2 red LED when in alarm
Fault / Calibration / Program
[ Wrench on front panel]
Lower most yellow LED
When the yellow LED is on steady, it indicates a malfunction on the line.
When the yellow LED is blinking the channel is in calibration or program mode.
Channel 1 LEDs
See figure 3 for details
Buzzer
LEDs
LED for each channel
Switches
For input cables
each channel
Program LED for
each channel
Figure 2: MX32 Front Panel
3
ENMET Corporation MX32 E
%
Increasing
Indicator
Descending
Indicator
AL1 Alarm
AL 2 Alarm
Smaller Characters for:
Larger Characters for:
NGUARD
Channel 1 Indicator
Value
Negative Sign
Value
indicator
1 2
indicator
8888
HHH
Gas Measurement
Access Code
Maintenance Menus
May display SAVE or ENRG
Channel 2 Indicator
Percent Sign
Gas type
Unit of Measure
Maintenance Menus
May display
YES or OUI
NO or NON
Maintenance Menu Indicator
Figure 3: MX32 Display
N
OTE
: In some applications, slight electronic noise between the Sensor/Transmitter and the Control can cause
fluctuations in the display reading. These minor fluctuations are considered to be insignificant in terms of the
range, detection limit and alarm values of the gas being monitored.
4
MX32 E
3.0 Installation
3.0 Installation
3.0 Installation3.0 Installation
NGUARD
The MX32 C
preferably be placed in a ventilated and monitored location, such as guardhouse, control room, instrumentation room,
etc.
N
OTE
: To be able to fully open the hinged front cover of the MX32 C
cover.
ONTROL
can be installed in any indoor area that is not classified a hazardous atmosphere. It should
ONTROL
, allow space for opening the viewing
ENMET Corporation
3.1 Mounting MX32 Control
The MX32 C
are also marked on the rear of the enclosure in mm.
ONTROL
is mounted to the wall with 3 screws. Demotions are given in inches in Figure 4. Demotions
Rear View Side View
Figure 4: Mounting MX32
5
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